The crossword solution for the term 'WASH WITH VIGOR' is 'SCRUB'. Scrubbing is a cleaning technique that involves vigorous rubbing and brushing of a surface with an abrasive material, such as a brush or sponge. It is often used to remove dirt, stains, and other debris from surfaces, and is a common household chore. Scrubbing is also used in industrial settings to clean large areas, such as floors and walls.